Calibration Procedure for the Barcol Impressor
For the GYZJ-934-1
Set the top adjustment nut about 1/16" below the top of the frame.
Calibrate against the 87/89 disk using the bottom adjustment nut.
Calibrate against the 43-48 disk using the top adjustment net.
Repeat steps 2 and 3 until both readings are within specifications.
For the GYZJ-935 and GYZJ-936
Set the top adjustment nut about even with the top of the frame.
Calibrate against the test disk using the bottom adjustment nut (#12 Plunger Lock Nut).
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